cop off with (one)(redirected from copping off with them)
cop off with (one)
1. slang To kiss passionately and at length with one, especially during a chance social encounter. Primarily heard in UK. I saw Mike copping off with some random girl in a corner of the bar, so I took a picture and sent it to his girlfriend.
2. vulgar slang To have sex with one. Primarily heard in UK. I wouldn't cop off with your roommate if I were you.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.